1.67.0

To install Sass 1.67.0, download one of the packages below and add it to your PATH, or see the Sass website for full installation instructions.

Changes

• All functions defined in CSS Values and Units 4 are now once again parsed as calculation objects: round(), mod(), rem(), sin(), cos(), tan(), asin(), acos(), atan(), atan2(), pow(), sqrt(), hypot(), log(), exp(), abs(), and sign().

  Unlike in 1.65.0, function calls are not locked into being parsed as calculations or plain Sass functions at parse-time. This means that user-defined functions will take precedence over CSS calculations of the same name. Although the function names calc() and clamp() are still forbidden, users may continue to freely define functions whose names overlap with other CSS calculations (including abs(), min(), max(), and round() whose names overlap with global Sass functions).

• As a consequence of the change in calculation parsing described above, calculation functions containing interpolation are now parsed more strictly than before. However, all interpolations that would have produced valid CSS will continue to work, so this is not considered a breaking change.

• Interpolations in calculation functions that aren't used in a position that could also have a normal calculation value are now deprecated. For example, calc(1px #{"+ 2px"}) is deprecated, but calc(1px + #{"2px"}) is still allowed. This deprecation is named calc-interp. See the Sass website for more information.

• Potentially breaking bug fix: The importer used to load a given file is no longer used to load absolute URLs that appear in that file. This was unintented behavior that contradicted the Sass specification. Absolute URLs will now correctly be loaded only from the global importer list. This applies to the modern JS API, the Dart API, and the embedded protocol.

Embedded Sass

• Substantially improve the embedded compiler's performance when compiling many files or files that require many importer or function call round-trips with the embedded host.

See the full changelog for changes in earlier releases.

Does any of this look wrong? Please let us know.

See the full diff on Github. The new version differs by 7 commits:

• Re-enable new calculation functions (#2080)
• Fix example (#2074)
• Run cli compilations in parallel dart isolates (#2078)
• Don't try to load absolute URLs from the base importer (#2077)
• Improve `sass --embedded` performance (#2013)
• Stop working around dart-lang/linter#4381 (#2071)
• Update README.md (#2069)

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